Hello! My name is Sam Usman. I’m an astrophysics PhD candidate at the University of Chicago.

To learn more about my professional work, head to my CV page.

For fun, I make pottery:
A few pieces of pottery I have made.
A few pieces of pottery I have made

train in Brazilian jiu jitsu:
[My purple belt promotion on Feb. 4th, 2020. Photo credit: Ryan Nishimoto.
My purple belt promotion on Feb. 4th, 2020

and hike with my dog, Burr:
My dog, Burr, in the stump of a tree at Swallow Cliff Woods
My dog, Burr, in the stump of a tree at Swallow Cliff Woods







































In my heart forever is Marble: Marble RIP June 5th, 2008 - October 17, 2021